fix(baseapp): fulfil all header.Info fields in test helpers context (backport #23014)

[mergify]

Description

Just passing through... noticed along my ways.

I think its best to fulfil all fields here in header.Info. It can cause random failures for tests which rely on the NewUncachedContext() func.

I was migrating code to use services and as it still unwraps context for underlying fields we can run into some scenarios where header.Info has empty/unset fields.

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Summary by CodeRabbit

• New Features

  • Enhanced handling of block headers in context creation.

• Bug Fixes

  • Improved data population for block header fields in the context.

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This is an automatic backport of pull request #23014 done by [Mergify](https://mergify.com).

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